129322384 has 15 divisors (see below), whose sum is σ = 250650283. Its totient is φ = 64638448.

The previous prime is 129322381. The next prime is 129322387. The reversal of 129322384 is 483223921.

It is a happy number.

The square root of 129322384 is 11372.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (129322381) and next prime (129322387).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129322381) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 44067 + ... + 46909.

Almost surely, 2^129322384 is an apocalyptic number.

129322384 is the 11372-nd square number.

It is an amenable number.

129322384 is a deficient number, since it is larger than the sum of its proper divisors (121327899).

129322384 is an frugal number, since it uses more digits than its factorization.

129322384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5694 (or 2845 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The cubic root of 129322384 is about 505.6979976484.

Multiplying 129322384 by its product of digits (20736), we get a square (2681628954624 = 1637568²).

The spelling of 129322384 in words is "one hundred twenty-nine million, three hundred twenty-two thousand, three hundred eighty-four".